The documentary “In God We Trust” follows the Bernie Madoff scandal through the eyes of his longtime personal secretary, Eleanor Squillari. The film will have its world premiere at the Tribeca Film Festival in New York on Friday, and Speakeasy has an exclusive clip of Squillari describing the firm’s mysterious 17th floor.

“The day after Bernie’s arrest, I noticed that none of the employees from the 17th floor showed up for work that morning, and some never came back again,” Squillari says. She drew detailed floor plans for investigators, which are shown in the clip.

“It turns out, Bernie had the entire place designed from scratch to his exact specifications,” Squillari says. A legit trading firm was on the 18th and 19th floors, filled with staff who held MBA degrees and came from other Wall Street firms — including Madoff’s own sons.

But the 17th floor was where illegal advisory activity allegedly took place, and was run differently by workers who “dressed differently and weren’t as educated,” according to a woman interviewed in the film.

In June 2009, Madoff was sentenced to 150 years in prison for what his judge called an “extraordinarily evil” fraud that took “a staggering toll” on rich and poor alike.

“In God We Trust” is directed by Victor Kubicek and Derek Anderson, and will be screened at the Tribeca Film Festival this month.

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